Ruling · Nāga Caturthī · 1982

Friday 19 November

Determinatein Baoding, under the Rashtriya Panchang method. Clear of every threshold by 256 minutes.

Decide it for

38°52′ N 115°28′ E · Asia/Shanghai · GeoNames 1816971

The two middays

One ghaṭī is 24 minutes. Madhyāhna is 1 ghaṭikā either side of midday.

Midday of Friday 19 November

Taken. The only midday Caturthī reaches.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

48 of 48 minutes covered

Midday of Saturday 20 November

Caturthī is absent from madhyāhna. Not taken.

madhyāhna begins 11:39  12:27 madhyāhna ends
10:5111:1511:3912:0312:2712:5113:15

0 of 48 minutes covered

Caturthī presentMadhyāhna, the window the rule readsThe instant the tithi begins or ends

How it was decided

  1. 01

    Aṅga

    Caturthī runs from 04:46 on Fri 19 Nov to 07:23 on Sat 20 Nov.

    1982-11-18T20:46:04Z → 1982-11-19T23:23:30Z

  2. 02

    Kāla

    Madhyāhna is 1 ghaṭikā either side of midday: 11:39–12:27 on the 19th, 11:39–12:27 on the 20th.

    madhyahna: midday-pm-1-ghatika · sunrise and sunset: upper limb, 31′ + 16′

  3. 03

    Rule

    Caturthī must be present during madhyāhna. It covers 48 of 48 minutes on the 19th and 0 of 48 on the 20th.

    Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104

  4. 04

    Tie-break

    Only one midday qualifies. No tie-break is needed.

    priority: paraviddha → only-day · margin 15359 s

  5. 05

    Ruling

    Nāga Caturthī, Baoding, 1982: Friday 19 November.

    confidence: determinate

Say it like this

In Baoding, Nāga Caturthī 1982 falls on Friday 19 November. Caturthī runs from 04:46 on Fri 19 Nov to 07:23 on Sat 20 Nov and covers all of madhyāhna that midday.

ahargana.org/baoding/festivals/1982/naga-chaturthi · pac-rp@2026.1

Who says what

AuthorityKindDate
Ahargaṇa, pac-rpThis rulingFri 19 Nov
Ahargaṇa, classicalDisc centre, no refractionFri 19 Nov
compat-drikpanchangComparison profileFri 19 Nov
No institution has a recorded ruling for Baoding.

Institutional rulings are recorded with a source address, and are never edited to agree.

The rule, as data

/rules/naga-chaturthi · ruleset 2026.3-draft

Month
Kārtika, amānta
Pakṣa · aṅga
Śukla · Caturthī
Kāla
Madhyāhna
Priority
Paraviddhā
Tie-break
Second day
Reference
CRC 1955, p. 104

“S 4 Naga caturthi (paraviddha and madhyahnavyapini).” Calendar Reform Committee 1955, General Rules for Religious Festivals, p. 104.

The same rule, elsewhere

Twelve places, west to east. Local clock times.

PlaceCaturthīMadhyāhna 18thCoveredMadhyāhna 19thCoveredRuled
Los Angeles12:46 → 15:2311:140 min11:1448 min19 Nov
Chicago14:46 → 17:2311:120 min11:1248 min19 Nov
Jersey City15:46 → 18:2311:170 min11:1848 min19 Nov
Port of Spain16:46 → 19:2311:270 min11:2748 min19 Nov
London20:46 → 23:2311:210 min11:2248 min19 Nov
Durban22:46 → 01:2311:170 min11:1748 min19 Nov
Dubai00:46 → 03:2311:400 min11:4048 min19 Nov
Delhi02:16 → 04:5311:420 min11:4248 min19 Nov
Kolkata02:16 → 04:5310:580 min10:5848 min19 Nov
Singapore04:46 → 07:2312:260 min12:2648 min19 Nov
Sydney07:46 → 10:2312:160 min12:1748 min19 Nov
Suva08:46 → 11:2311:270 min11:2848 min19 Nov
Profile · tradition
pac-rp@2026.1 · smarta
Rule
naga-chaturthi@2026.3-draft
Engine · kernel
0.1.0 · de440 7eef…ea74
Boundary margin
300 s

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